Ceiling fan



FIG. 1 is a perspective view of a ceiling fan according to the present invention;

FIG. 2 is a bottom plan view of the ceiling fan of FIG. 1;

FIG. 3 is a side elevation view of the ceiling fan of FIG. 1 the other sides being identical to that shown; and,

FIG. 4 is a top plan view of the ceiling fan of FIG. 1. 

The ornamental design for a ceiling fan, as shown and described. 